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Safety-Discharge-Valve Mechanism

Description: Patent for a safety discharge valve to aid in the expulsion of air from train lines or pipes. Illustrations included.
Date: April 21, 1908
Creator: Bowers, John O.
Partner: UNT Libraries Government Documents Department

Device for Cooling Milk and Butter.

Description: Patent for improvements in devices for cooling milk and butter by using textile materials to cover the buckets or pails that contain milk or butter or other food articles, then saturated these textile covered buckets or pails with water; thus reducing the temperature of the articles contained in the buckets or pails, owing to evaporation. Illustration is included.
Date: April 21, 1891
Creator: Hall, Charles T.
Partner: UNT Libraries Government Documents Department
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